1. I-Mechanical polishing Mechanical polishing kukuxhomekeka ekusikeni, ukuguqulwa kweplastiki kumphezulu wezinto eziphathekayo ukususa inxalenye ye-convex yendawo epholisiweyo kunye nokufumana indlela egudileyo yokugulisa umphezulu, ngokubanzi kusetyenziswa imicu yamatye yeoli, amavili oboya, i-sandpaper, njl. , ikakhulu iqhutywa ngesandla,...
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